Knowledge base for software setup, errors, and daily tool work.

Fix VS Code Breakpoint Not Hit in Docker Container

You set a breakpoint in VS Code, run your app inside a Docker container, and the breakpoint is ne...

Fix DNS Probe Finished NXDOMAIN in Edge Browser

When Microsoft Edge shows "DNS_PROBE_FINISHED_NXDOMAIN", it means the browser cannot reso...

Cloudflare 521 Error: How to Check Server Logs

If you're seeing a Cloudflare 521 error, it means Cloudflare tried to connect to your origin ...

Fix 'Python Command Not Found' in Anaconda on Windows

Fix Node.js Heap Out of Memory Error in PM2

If you're running a Node.js application under PM2 and seeing FATAL ERROR: CALL_AND_RETR...